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The integration of vision-language models such as CLIP and Concept Bottleneck Models (CBMs) offers a promising approach to explaining deep neural network (DNN) decisions using concepts understandable by humans, addressing the black-box…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Townim F. Chowdhury , Vu Minh Hieu Phan , Kewen Liao , Minh-Son To , Yutong Xie , Anton van den Hengel , Johan W. Verjans , Zhibin Liao

Beamforming has proven to be valuable in enabling full-duplex massive MIMO base stations, but doing so effectively often requires knowledge of the self-interference channel matrix H. Estimating this high-dimensional channel is costly in…

Signal Processing · Electrical Eng. & Systems 2026-05-22 Samuel H. Li , Ian P. Roberts

Diffusion model (DM)-based channel estimation, which generates channel samples via a posteriori sampling stepwise with denoising process, has shown potential in high-precision channel state information (CSI) acquisition. However, slow…

Machine Learning · Computer Science 2025-11-17 Wenkai Liu , Nan Ma , Jianqiao Chen , Xiaoxuan Qi , Yuhang Ma

Objective: Cone-beam computed tomography (CBCT) provides a low-dose imaging alternative to conventional CT, but suffers from noise, scatter, and artifacts that degrade image quality. Synthetic CT (sCT) aims to translate CBCT to high-quality…

Medical Physics · Physics 2025-09-23 Alzahra Altalib , Chunhui Li , Alessandro Perelli

Integrating grayscale and depth data in road inspection robots could enhance the accuracy, reliability, and comprehensiveness of road condition assessments, leading to improved maintenance strategies and safer infrastructure. However, these…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xiaoyan Jiang , Licheng Jiang , Anjie Wang , Kaiying Zhu , Yongbin Gao

How to reduce the pilot overhead required for channel estimation? How to deal with the channel dynamic changes and error propagation in channel prediction? To jointly address these two critical issues in next-generation transceiver design,…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Zirui Chen , Zhaoyang Zhang , Zhaohui Yang , Chongwen Huang , Merouane Debbah

In this paper, a pervasive wireless channel modeling theory is first proposed, which uses a unified channel modeling method and a unified equation of channel impulse response (CIR), and can integrate important channel characteristics at…

Signal Processing · Electrical Eng. & Systems 2022-06-07 Cheng-Xiang Wang , Zhen Lv , Xiqi Gao , Xiaohu You , Yang Hao , Harald Haas

We propose a novel diffusion model, termed the non-identical diffusion model, and investigate its application to wireless orthogonal frequency division multiplexing (OFDM) channel generation. Unlike the standard diffusion model that uses a…

Signal Processing · Electrical Eng. & Systems 2026-01-30 Yuzhi Yang , Omar Alhussein , Mérouane Debbah

Infrastructure-mounted sensors can capture rich environmental information to enhance communications and facilitate beamforming in millimeter-wave systems. This work presents an efficient sensing-assisted long-term beam tracking framework…

Signal Processing · Electrical Eng. & Systems 2026-05-21 Mengyuan Ma , Nhan Thanh Nguyen , Nir Shlezinger , Yonina C. Eldar , A. Lee Swindlehurst , Markku Juntti

Deep learning (DL)-based methods have recently shown great promise in bitemporal change detection (CD). Existing discriminative methods based on Convolutional Neural Networks (CNNs) and Transformers rely on discriminative representation…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yihan Wen , Xianping Ma , Xiaokang Zhang , Man-On Pun

The Diffusion Probabilistic Model (DPM) has emerged as a highly effective generative model in the field of computer vision. Its intermediate latent vectors offer rich semantic information, making it an attractive option for various…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Haipeng Zhou , Lei Zhu , Yuyin Zhou

Current Structure-from-Motion (SfM) methods typically follow a two-stage pipeline, combining learned or geometric pairwise reasoning with a subsequent global optimization step. In contrast, we propose a data-driven multi-view reasoning…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Qitao Zhao , Amy Lin , Jeff Tan , Jason Y. Zhang , Deva Ramanan , Shubham Tulsiani

While diffusion distillation has enabled one-step generation through methods like Variational Score Distillation, adapting distilled models to emerging new controls -- such as novel structural constraints or latest user preferences --…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yihong Luo , Tianyang Hu , Yifan Song , Jiacheng Sun , Zhenguo Li , Jing Tang

Massive multiple-input multiple-output (MIMO) offers significant advantages in spectral and energy efficiencies, positioning it as a cornerstone technology of fifth-generation (5G) wireless communication systems and a promising solution for…

Information Theory · Computer Science 2026-03-10 Zhenzhou Jin , Li You , Huibin Zhou , Yuanshuo Wang , Xiaofeng Liu , Xinrui Gong , Xiqi Gao , Derrick Wing Kwan Ng , Xiang-Gen Xia

Data-Free Knowledge Distillation (DFKD) enables the knowledge transfer from the given pre-trained teacher network to the target student model without access to the real training data. Existing DFKD methods focus primarily on improving image…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Zherui Zhang , Changwei Wang , Rongtao Xu , Wenhao Xu , Shibiao Xu , Yu Zhang , Li Guo

As the deep learning revolution marches on, masked modeling has emerged as a distinctive approach that involves predicting parts of the original data that are proportionally masked during training, and has demonstrated exceptional…

Image and Video Processing · Electrical Eng. & Systems 2025-06-25 Qinrong Cai , Yu Guan , Zhibo Chen , Dong Liang , Qiuyun Fan , Qiegen Liu

Recent advances in generative modeling have positioned diffusion models as state-of-the-art tools for sampling from complex data distributions. While these models have shown remarkable success across single-modality domains such as images…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Nimrod Berman , Omkar Joglekar , Eitan Kosman , Dotan Di Castro , Omri Azencot

The power of big data and machine learning has been drastically demonstrated in many fields during the past twenty years which somehow leads to the vague even false understanding that the huge amount of precious human knowledge accumulated…

Signal Processing · Electrical Eng. & Systems 2020-12-22 Daofeng Li , Kaihe Deng , Ming Zhao , Sihai Zhang , Jinkang Zhu

Detecting visual anomalies in diverse, multi-class real-world images is a significant challenge. We introduce \ours, a novel unsupervised multi-class visual anomaly detection framework. It integrates a Latent Diffusion Model (LDM) with a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Samet Hicsonmez , Abd El Rahman Shabayek , Djamila Aouada

Millimeter wave (mmWave) communication, utilizing beamforming techniques to address the inherent path loss limitation, is considered as one of the key technologies to support ever increasing high throughput and low latency demands of…

Networking and Internet Architecture · Computer Science 2026-02-17 Muhammad Baqer Mollah , Honggang Wang , Mohammad Ataul Karim , Hua Fang
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